#include <iostream>
using namespace std;

int main(){
	
	int i = -1;

	if(1){
		cout<<"1 true"<<endl;
	}else{
		cout<<"1 false"<<endl;
	
	}
	
	 i = 0;

	if(i){
		cout<<"0 is true"<<endl;

	}else{
		cout<<"0 is false"<<endl;
	}

	i= -1;

	if(i){
		cout<<"-1 true"<<endl;

	}else{
	
		cout<<"-1 false"<<endl;
	}
	return 0;
}
